30120225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 54758400

約数和(自身を除く): 24638175

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 919, 1311, 1425, 1725, 2185, 2757, 4595, 6555, 10925, 13785, 17461, 21137, 22975, 32775, 52383, 63411, 68925, 87305, 105685, 261915, 317055, 401603, 436525, 528425, 1204809, 1309575, 1585275, 2008015, 6024045, 10040075, 30120225]

約数ペア:

[(1, 30120225), (3, 10040075), (5, 6024045), (15, 2008015), (19, 1585275), (23, 1309575), (25, 1204809), (57, 528425), (69, 436525), (75, 401603), (95, 317055), (115, 261915), (285, 105685), (345, 87305), (437, 68925), (475, 63411), (575, 52383), (919, 32775), (1311, 22975), (1425, 21137), (1725, 17461), (2185, 13785), (2757, 10925), (4595, 6555)]